The more common modified comparative threshold
Among the US states that use some form of modified comparative negligence, a majority use the more forgiving 51% threshold — recovery is barred only once the claimant's fault actually exceeds the defendant's. A smaller group of 12 states uses a stricter 50% version instead, where recovery is barred at fault merely equal to the other side's.
The 21 states using a 51% bar
Oklahoma's peer group under this more common threshold is: Connecticut, Delaware, Florida, Hawaii, Illinois, Indiana, Iowa, Louisiana (for accidents from 2026 onward), Massachusetts, Michigan, Minnesota, Montana, Nevada, New Hampshire, New Jersey, Ohio, Oklahoma, Oregon, Pennsylvania, Texas, Vermont, Wisconsin, and Wyoming.
A shared threshold with a close neighbor
Oklahoma's neighbor Texas also uses the 51% bar, making this a shared rule across that particular state line — even as each state's own surrounding damages rules can genuinely differ.
A genuinely distinctive feature within this group
Here's where Oklahoma stands apart from much of this list. Several other states in this 51%-bar group still apply statutory caps on noneconomic damages. Oklahoma doesn't — its own $350,000 cap was struck down as unconstitutional in 2019, in Beason v. I.E. Miller Services, leaving pain and suffering damages genuinely uncapped. The headline 51% threshold is shared, but the downstream damages picture can look meaningfully different.
A longstanding rule, not a recent development
Oklahoma's comparative negligence framework isn't new. It traces back to a 1978 Oklahoma Supreme Court decision, codified in statute effective in 1979 — a shift that's been settled law for decades, distinct from the more recent damages cap litigation.
Why this matters in a disputed claim
Because none of these 21 states bars recovery at an even 50/50 split, a disputed fault percentage near the midpoint still results in meaningful recovery across the group — and in Oklahoma specifically, the absence of a damages cap means that recovery, once established, isn't subject to the same statutory ceiling found in some neighboring states. See our full comparison of how Oklahoma's rule fits among all four fault systems for the complete picture.